BEHAVE-EXTRACTOR.md Phase A Step 9 — the gate. Runs the pure
engine against each of the five 2026-05-02 calibration shards and
pins the contract that all subsequent Phase B-G PRs must keep
green: every Phase A primitive (motor.input_modality,
motor.paste_burst_rate, cognitive.inter_command_latency_class,
cognitive.command_branch_diversity, cognitive.feedback_loop_engagement,
cognitive.inter_command_consistency) fires at least once per shard.
* tests/profiler/behave_shell/test_calibration_grid.py
parametrized over (shard_file, class_label) for HUMAN / YOU-sim /
LW-sim / CLAUDE-FF / CLAUDE-CL. Skips entirely when
BEHAVE_CALIBRATION_DIR is unset (CI provides the path; local dev
doesn't have to).
* Plus a discrimination-smoke check: at least one primitive
produces different majority values across present classes —
catches the "constant-output regression" failure mode where the
engine quietly degenerates to a stub.
Calibration tweak: BRANCH_DIVERSITY_LINEAR_MIN dropped from 0.80 to
0.70 to align with the prototype's empirical anchors (CLAUDE-CL ≈
0.55-0.60 adaptive; YOU-sim / CLAUDE-FF scripted recon ≈ 0.75+
linear). Test for the middle band re-pinned at the new boundary.
Per-class value pinning (e.g. HUMAN must emit
inter_command_consistency=bimodal) is intentionally NOT a hard gate
yet — v0.1 thresholds put real human sessions in "variable", and
true bimodal detection (Hartigan dip / two-peak) is registry-flagged
for v0.2. Tighter pinning lands as the corpus grows.
anti
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